/* Import de la police d'écriture */
@import url('https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@400;700&display=swap');

/* Style général */
body {
  font-family: 'Roboto Slab', serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #f4f4f9;
  color: #333;
  overflow-x: hidden; /* Supprime la scrollbar horizontale */
}

/* En-têtes */
h1, h2, h3, h4 {
  color: #4a90e2;
  margin: 20px 15px 10px;
  font-weight: bold;
}

h1 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 10px;
}

h2 {
  text-align: center;
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.2rem;
}

/* Header principal */
.main-header {
  background-color: #4a90e2; /* Couleur principale */
  color: #fff;
  padding: 15px 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #fff;
}

.logo-img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
  border-radius: 50%; /* Optionnel, selon vos préférences */
}

.logo span {
  font-size: 1.5rem;
  font-weight: bold;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.main-nav ul li {
  margin-left: 20px;
}

.main-nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.main-nav ul li a:hover {
  color: #dfeeff;
}

/* Style pour la photo de profil */
img.profile-picture {
  width: 150px;
  height: 150px;
  border-radius: 50%; /* Rend la photo circulaire */
  object-fit: cover; /* Zoom sur la photo pour l'adapter */
  border: 3px solid #4a90e2;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 10px auto;
}

/* Liens de navigation */
.flex {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  background-color: #eaeef3;
  border-top: 1px solid #dcdfe3;
  border-bottom: 1px solid #dcdfe3;
}

.flex a {
  text-decoration: none;
  color: #4a90e2;
  font-weight: bold;
}

.flex a:hover {
  text-decoration: underline;
}

/* Paragraphes */
p {
  margin: 15px;
  line-height: 1.8;
}

p.centered {
  text-align: center;
  font-style: italic;
  margin-top: 10px;
  font-size: 0.9rem;
  color: #666;
}

/* Images générales */
img {
  display: block;
  margin: 20px auto;
  max-width: 100%;
  height: auto;
  border: 1px solid #dcdfe3;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Listes */
ul {
  margin: 15px;
  padding-left: 40px;
}

li {
  margin-bottom: 10px;
}

/* Style pour les liens */
a {
  color: #4a90e2;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Style pour les citations ou mises en valeur */
u {
  text-decoration: underline;
  color: #333;
  font-weight: bold;
}

/* Style pour les balises <pre> contenant du code */
pre {
  background-color: #272822;
  color: #f8f8f2;
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  font-family: 'Courier New', Courier, monospace;
  margin: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Responsive design */
@media (max-width: 768px) {
  .main-header {
    padding: 10px 15px;
  }

  .logo span {
    font-size: 1.2rem;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav ul li {
    margin: 10px 0;
  }

  .flex {
    flex-direction: row;
    align-items: center;
  }

  .flex a {
    margin: 10px 0;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.3rem;
  }

  h4 {
    font-size: 1.1rem;
  }

  img.profile-picture {
    width: 120px;
    height: 120px;
  }
}